Home / 116,125.40-173,928.90-89,622.20

Finding the Fourth Proportional to 116,125.40, 173,928.90 and 89,622.20

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Solution

The fourth proportional to 116,125.40, 173,928.90 and 89,622.20 is: 134,233.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,125.40 : 173,928.90 = 89,622.20 : x
  2. Step 2: Convert to fraction form
    116,125.40/173,928.90 = 89,622.20/x
  3. Step 3: Cross multiply
    116,125.40x = 173,928.90 × 89,622.20
  4. Step 4: Simplify right side
    116,125.40x = 15,587,890,661.58
  5. Step 5: Solve for x
    x = 15,587,890,661.58/116,125.40
  6. Step 6: Final answer
    x = 134,233.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.